Satyameva Jayate is taken from which book?

Question

The words ‘Satyameva Jayate’ inscribed below the base plate of the Emblem of India have been taken from which one of the following?

1.  Mundaka Upanishad
2. The Rig Veda
3. The Bhagavad Gita
4. Vaalmiiki’s Ramaayana